For a very brief period, the pair owned a Subaru Fiori (I think it's basically an Australian Domestic Market Subaru Rex?) but nothing really came of the car in their possession due to extensive corrosion that was found:

I think I read somewhere that Mechanical Stig (a good friend of theirs) got hold of it and started a crazy build. Not entirely sure what came of that, though. He did have his own separate "STI Fiori build, as well as a Subaru Vivio RX-R at some point.

Lend us a Ride was a spin off show to Mighty Car Mods, where they attempted to travel across Australia only using borrowed cars. In the first episode of the show, they started their journey in a 1982 Daihatsu Mira that had been converted to an electric car. Their original Daihatsu Cuore show car also made an appearance, now with a turbocharged 1.3L K3-VE heart: